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Content ## No comment yet from machine import ADC,Pin import system, utime, gc, rgb battavg = [] # get voltage from ADC pin 35 def get_vcc(): _get_vcc_bat = None try: _get_vcc_bat = system.get_vcc_bat if callable(_get_vcc_bat): vcc = system.get_vcc_bat() return vcc except: print("Using backup ADC method") vcc_bat = ADC(Pin(35)) vcc_bat.width(ADC.WIDTH_12BIT) vcc_bat.atten(ADC.ATTN_11DB) vcc = int(vcc_bat.read() / (4095 / 4034) * 2) vcc_bat.deinit() return vcc def get_usb(): vcc = None try: vcc_usb = ADC(Pin(34)) vcc_usb.width(ADC.WIDTH_12BIT) vcc_usb.atten(ADC.ATTN_11DB) vcc = int(vcc_usb.read() / (4095 / 4034) * 2) vcc_usb.deinit() finally: return vcc def drawPlug(): global framebuf plug = [0,0,1,0,0,1,0, 0,0,1,0,0,1,0, 0,0,1,0,0,1,0, 0,1,1,1,1,1,1, 0,1,1,1,1,1,1, 0,1,1,1,1,1,1, 0,0,1,1,1,1,0, 0,0,0,1,1,0,0] row = 0 col = 0 for i in plug: if i == 1: drawPixel((255,255,255),(col,row)) col += 1 if (col > 6): col = 0 row+=1 number = ((1,1,1,1,0,1,1,0,1,1,0,1,1,1,1), (0,1,0,0,1,0,0,1,0,0,1,0,0,1,0), (0,1,1,0,0,1,0,1,1,0,1,0,0,1,1), (0,1,1,0,0,1,0,1,1,0,0,1,0,1,1), (0,1,0,0,1,1,0,1,1,0,0,1,0,0,1), (0,1,1,0,1,0,0,1,1,0,0,1,0,1,1), (0,1,0,1,0,0,1,1,1,1,0,1,1,1,1), (0,1,1,0,0,1,0,1,0,0,1,0,0,1,0), (1,1,1,1,0,1,1,1,1,1,0,1,1,1,1), (1,1,1,1,0,1,1,1,1,0,0,1,1,1,0)) def drawNumber(draw_num,point,color): global number if draw_num < 10 and draw_num >= 0: cols = 0 rows = 0 for i in number[draw_num]: if i == 1: drawPixel(color,(point[0]+cols,point[1]+rows)) cols += 1 if cols > 2: cols = 0 rows += 1 bat_empty = 3300 bat_full = 4200 rgb.disablecomp() framebuf = [] def clearScreen(): global framebuf framebuf = [] for i in range(0,256): framebuf.append(0) clearScreen() rgb.frame(framebuf) def drawPixel(color,pixel): global framebuf index = int( pixel[0] + (pixel[1]*32) ) #print("New pixel draw @ "+str(index)+ " "+str(len(framebuf))) if index < len(framebuf): if len(color) != 3: print("ERR") newcolor = ( (color[0] * (256*256*256)) + (color[1] *(256* 256)) + (color[2]*256)) #print("New color: "+str(newcolor)) framebuf[index] = newcolor def rect(x1,y1,x2,y2, color): global framebuf # Line for X axis (first) for i in range(x1,x2+1): drawPixel(color,(i,y1)) drawPixel(color,(i,y2)) for i in range(y1+1,y2): drawPixel(color,(x1,i)) drawPixel(color,(x2,i)) #print(framebuf) while True: gc.collect() voltage_bat = get_vcc() #mVolt bat_percentage = int((100 * (voltage_bat - bat_empty)) / (bat_full - bat_empty)) if bat_percentage > 100: bat_percentage = 100 if bat_percentage < 0: bat_percentage = 0 newavg = 0 battavg.append(bat_percentage) for i in battavg: newavg += i bat_percentage = newavg // len(battavg) if len(battavg) == 10: temp = battavg.pop(0) bars = bat_percentage // 5 #bat_percentage = ( bars * 5) clearScreen() #rgb.setfont(rgb.FONT_6x3) rect(30,2,31,5,(0,255,192)) rect(8,0,29,7,(0,255,192)) rect(9,1,bars+9,6,(0,255,0)) rect(9,2,bars+9,5,(0,255,0)) if bars > 1: rect(10,3,bars+8,4,(0,255,0)) if get_usb() > 4500: drawPlug() # Draw percentage lastdigit = bat_percentage % 10 secdigit = bat_percentage // 10 if secdigit > 0: if secdigit == 10: secdigit = 0 drawNumber(secdigit,(17,2),(255,0,0)) if(bat_percentage == 100): drawNumber(1,(13,2),(255,0,0)) drawNumber(lastdigit,(21,2),(255,0,0)) rgb.frame(framebuf) utime.sleep(1)